Siemens SIMATIC S7-300 digital input SM 321 6ES7321-1BP00-0AA0

Supplier Part Number: 6ES7321-1BP00-0AA0

Application Reference Number: 6551341

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Siemens SIMATIC Digital Input Module, part number 6ES7321-1BP00-0AA0. 

Manufacturer brochure of the item.

Part Number: 6ES7321-1BP00-0AA0

Manufacturer Part Number (MFN): 6ES73211BP000AA0

Brand: Siemens

Product Family: SIMATIC S7-300

Product Type Designation: SM 321

Product Description: SIMATIC digital input SM 321, isolated in groups of 16, 64 DI, 24 V DC, sinking/sourcing input

Product Lifecycle Status: *** spare part ***

Product Lifecycle (Siemens): Prod. Cancellation

Supply voltage: Load voltage L+ (Rated value, DC): 24 V

Supply voltage: Reverse polarity protection: Yes

Input current: from backplane bus 5 V DC, max.: 100 mA

Power loss: Power loss, typ.: 7 W

Digital inputs: Number of digital inputs: 64

Digital inputs: Input characteristic curve: in accordance with IEC 61131, type 1

Digital inputs: Number of simultaneously controllable inputs (Horizontal, up to 40 °C): 64

Digital inputs: Number of simultaneously controllable inputs (Horizontal, up to 60 °C): 32

Digital inputs: Number of simultaneously controllable inputs (Vertical, up to 40 °C): 32

Input voltage: Type of input voltage: DC

Input voltage: Rated value (DC): 24 V

Input voltage: for signal "0": -30 to +5 V

Input voltage: for signal "1": 13 to 30 V

Input current: for signal "1", typ.: 4.2 mA

Input delay (for rated value of input voltage): at "0" to "1", min.: 1.2 ms

Input delay (for rated value of input voltage): at "0" to "1", max.: 4.8 ms

Input delay (for rated value of input voltage): at "1" to "0", min.: 1.2 ms

Input delay (for rated value of input voltage): at "1" to "0", max.: 4.8 ms

Cable length: shielded, max.: 1 000 m

Cable length: unshielded, max.: 600 m

Connectable encoders: 2-wire sensor: No

Interrupts/diagnostics/status information: Alarms: No

Interrupts/diagnostics/status information: Diagnostics function: No

Interrupts/diagnostics/status information: Hardware interrupt: No

Interrupts/diagnostics/status information: Wire-break: No

Diagnostics indication LED: Status indicator digital input (green): Yes

Potential separation: between channels: No

Potential separation: between channels, in groups of: 16

Potential separation: between channels and backplane bus: Yes (Optocoupler)

Isolation: Isolation tested with: 500 V DC

Required front connector (Terminal blocks): 6ES7392-1.N00-0AA0

Required front connector (Cables): 6ES7392-4...0-0AA0

Dimensions: Width: 40 mm

Dimensions: Height: 125 mm

Dimensions: Depth: 112 mm

Weights: Weight, approx.: 230 g

Export Control Regulations: ECCN: 9N9999

Export Control Regulations: AL: N

Net Weight (Shipping): 0.631 lb

Packaging Dimensions (L x W x H): 5.98 x 5.20 x 2.01 inch

A vital spare part for maintaining existing industrial systems built on the Siemens S7-300 platform. It is a critical component for maintenance teams in manufacturing facilities and process industries where operational continuity of legacy equipment is essential. For example, Evac application 6551341.

Images are for illustrative purpose only, actual products may vary.